{
  "manageEntity": {
    "action": "Repost",
    "entityId": "678337812",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc8226e9526856e342092212a67a2ce49a56e80229691e027cd061a2a24493bd7",
    "signature": "0x3a292fdd7890682dfc078a82e0a154fa35d729e693dfc4fe9e6698cd8bad65845550df0f62fd57e3934364e71386765d6248986da4ec4c8b223afca2bb32d47a1b",
    "signer": "0x3D4d8a781454E2338c482dE697d6DE1ACc7D9031",
    "userId": "599751364"
  }
}